We live in a condo and when we purchased it last fall, we gutted the kitchen and put in new cupboards. It was warm at the time so we didn't realize that the wall was adjacent to our neighbors atrium and would get ice cold. My kitchen is freezing (we live in Michigan) and we would now like to add some insulation without removing the cupboards. I have read that sometimes it can be added from outside, but that is in our neighbors atrium. Is there another way to get insulation behind the cupboards without having to remove them?